19817520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 62353152

約数和(自身を除く): 42535632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1163, 1420, 1704, 2130, 2326, 2840, 3408, 3489, 4260, 4652, 5680, 5815, 6978, 8520, 9304, 11630, 13956, 17040, 17445, 18608, 23260, 27912, 34890, 46520, 55824, 69780, 82573, 93040, 139560, 165146, 247719, 279120, 330292, 412865, 495438, 660584, 825730, 990876, 1238595, 1321168, 1651460, 1981752, 2477190, 3302920, 3963504, 4954380, 6605840, 9908760, 19817520]

約数ペア:

[(1, 19817520), (2, 9908760), (3, 6605840), (4, 4954380), (5, 3963504), (6, 3302920), (8, 2477190), (10, 1981752), (12, 1651460), (15, 1321168), (16, 1238595), (20, 990876), (24, 825730), (30, 660584), (40, 495438), (48, 412865), (60, 330292), (71, 279120), (80, 247719), (120, 165146), (142, 139560), (213, 93040), (240, 82573), (284, 69780), (355, 55824), (426, 46520), (568, 34890), (710, 27912), (852, 23260), (1065, 18608), (1136, 17445), (1163, 17040), (1420, 13956), (1704, 11630), (2130, 9304), (2326, 8520), (2840, 6978), (3408, 5815), (3489, 5680), (4260, 4652)]